1.
Susanti NE. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR GEOGERAFI SISWA SMA DI KABUPATEN MALANG. JPIG [nternet]. 2016 Sep. 25 [cited 2024 Jul. 22];1(1). vailable from: http://ejournal.unikama.ac.id/index.php/JPIG/article/view/1435